2025 New 1 Pair High Sensitivity Infrared Beam Detector, ABS Material Barrier Gate Anti-Theft Infrared Sensor, Professional Security, Black Body, Precise Infrared Beam Focusing, Anti-Strong Light Interference, Anti-False Trigger, Barrier Gate Signal Trigger, Illegal Intrusion Alarm, 24-Hour Monitoring, Outdoor Security Infrared Beam Sensor, Suitable For Community Barrier Gates, Wall Protection